lais·sez faire also lais·ser faire (ls fâr, lz)
n.
1. An economic doctrine that opposes governmental regulation of or interference in commerce beyond the minimum necessary for a free-enterprise system to operate according to its own economic laws.
2. Noninterference in the affairs of others.
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[French : laissez, second person pl. imperative of laisser, to let, allow + faire, to do.]